<template>
<div class="icons">
  <swiper :options="swiperOption">
    <swiper-slide v-for="(page, index) of pages" :key="index">
      <div class="icon" v-for="item of page" :key="item.id">
        <div class="icon_img">
          <img class="icon_img_cont" :src="item.imgUrl"/>
        </div>
        <p class="icon_title">{{item.title}}</p>
      </div>
    </swiper-slide>
    <div class="swiper-pagination"  slot="pagination"></div>
  </swiper>
</div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    icon: Array
  },
  data () {
    return {
      swiperOption: {
        pagination: '.swiper-pagination',
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.icon.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import "~styles/varibles.styl"
  @import "~styles/mixins.styl"
  .icons >>> .swiper-slide
    height: 0
    padding-bottom 58%
  .icons >>> .swiper-pagination-bullet-active
    background: #33BECA!important
  .icons
    margin-top: .1rem
    .icon
      position: relative
      float: left
      overflow: hidden
      width: 25%
      height: 0
      padding-bottom: 25%
      .icon_img
        position absolute
        top: 0
        left: 0
        right: 0
        bottom: .44rem
        box-sizing: border-box
        padding: .1rem
        .icon_img_cont
          height: 100%
          display: block
          margin: 0 auto
      .icon_title
        position: absolute
        left: 0
        right: 0
        bottom: 0
        height: .44rem
        line-height: .44rem
        color: $darkTextColor
        text-align: center
        ellipsis()
</style>
